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Configuration Guide - IP Unicast Routing

S7700 and S9700 V200R013C00

This document describes the configurations of IP Unicast Routing, including IP Routing, Static Route, RIP, RIPng, OSPF, OSPFv3, IPv4 IS-IS, IPv6 IS-IS, BGP, Routing Policy, IP Routing Table Management, and PBR.
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Enabling BGP Tracking

Enabling BGP Tracking

Context

BFD can be configured to detect peer relationship status changes in order to implement rapid BGP convergence. BFD, however, needs to be configured on the entire network, and has poor extensibility. If BFD cannot be deployed on a device to detect BGP peer relationship status, BGP peer tracking can be enabled on the device to quickly detect link or peer unreachability, implementing rapid network convergence.

BGP tracking can be used to adjust the interval between peer unreachability discovery and connection interruption. This suppresses BGP peer relationship flapping caused by route flapping and improves BGP network stability.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run bgp { as-number-plain | as-number-dot }

    The BGP view is displayed.

  3. Run peer { group-name | ipv4-address | ipv6-address } tracking [ delay delay-time ]

    BGP peer tracking is enabled on the device to detect the status of a specified peer.

    By default, BGP peer tracking is disabled.

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Updated: 2019-04-08

Document ID: EDOC1100065744

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